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Finding the Fourth Proportional to 1,182.59, 1,770.27 and 888.36

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Solution

The fourth proportional to 1,182.59, 1,770.27 and 888.36 is: 1,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.59 : 1,770.27 = 888.36 : x
  2. Step 2: Convert to fraction form
    1,182.59/1,770.27 = 888.36/x
  3. Step 3: Cross multiply
    1,182.59x = 1,770.27 × 888.36
  4. Step 4: Simplify right side
    1,182.59x = 1,572,637.06
  5. Step 5: Solve for x
    x = 1,572,637.06/1,182.59
  6. Step 6: Final answer
    x = 1,329.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.